<template>
  <div class="product-detail">
    <!-- 头部区域 -->
    <header class="detail-nav">
      <i class="iconfont icon-left" @click="goBack"></i>
      <div class="nav-list">
        <span
          :class="{ active: navIndex === 0 }"
          data-type="product"
          @click="scrollToView($event)"
        >
          <i class="iconfont icon-location" v-show="navIndex === 0"></i>商品
        </span>
        <span
          :class="{ active: navIndex === 1 }"
          data-type="detail"
          @click="scrollToView($event)"
        >
          <i class="iconfont icon-location" v-show="navIndex === 1"></i>商品详情
        </span>
        <span
          :class="{ active: navIndex === 2 }"
          data-type="recommend"
          @click="scrollToView($event)"
        >
          <i class="iconfont icon-location" v-show="navIndex === 2"></i>商品推荐
        </span>
      </div>
      <i class="iconfont icon-More"></i>
    </header>

    <!-- 轮播图 -->
    <section class="product-focus">
      <van-swipe
        :autoplay="3000"
        indicator-color="white"
        class="swiper-container"
      >
        <van-swipe-item v-for="(item, index) in sliderImageList" :key="index">
          <img :src="item.imgUrl" class="swiper_img" alt="" />
        </van-swipe-item>
      </van-swipe>
    </section>
    <!-- 详情信息 -->
    <section class="detail-info">
      <p class="detail-info-name">
        {{ productDetail.name }}
      </p>
      <p class="detail-info-subtitle">{{ productDetail.subtitle }}</p>
      <div>
        <span class="detail-info-price">{{ productDetail.price }}</span>
        <span class="detail-info-stock">库存{{ productDetail.stock }}</span>
      </div>
    </section>
    <!-- 商品详情 -->
    <section class="detail-content" ref="detailContent" id="content">
      <p class="detail-gap"></p>
      <ul>
        <li>概述</li>
        <li>参数</li>
        <li>安装服务</li>
        <li>常见问题</li>
      </ul>
      <div v-html="productDetail.detail" class="p1"></div>
    </section>

    <van-goods-action>
      <van-goods-action-icon icon="chat-o" text="客服" />
      <van-goods-action-icon icon="cart-o" text="购物车" info="5" />
      <van-goods-action-button type="warning" class="add" text="加入购物车" />
      <van-goods-action-button type="danger" class="add" text="立即购买" />
    </van-goods-action>
    <van-sku
      v-model="show"
      :sku="sku"
      :goods="goods"
      :goods-id="goodsId"
      :hide-stock="sku.hide_stock"
      :message-config="messageConfig"
      @buy-clicked="onBuyClicked"
      @add-cart="onAddCartClicked"
    />
  </div>
</template>

<script>
import axios from "axios";
export default {
  data() {
    return {
      id: this.$route.params.id,
      navIndex: 0,
      productDetail: {}, // 保存详情数据
      sliderImageList: [], // 保存轮播图数据
      show: false,
      sku: {
        tree: [
          {
            k: "颜色", // skuKeyName：规格类目名称
            v: [
              {
                id: "001", // skuValueId：规格值 id
                name: "红色", // skuValueName：规格值名称
                imgUrl:
                  "http://img.happymmall.com/570186f3-c0d2-4336-a1b7-3e1aff88f73a.jpg", // 规格类目图片，只有第一个规格类目可以定义图片
                previewImgUrl:
                  "http://img.happymmall.com/570186f3-c0d2-4336-a1b7-3e1aff88f73a.jpg", // 用于预览显示的规格类目图片
              },
              {
                id: "002",
                name: "蓝色",
                imgUrl:
                  "http://img.happymmall.com/a73b6326-1204-4937-aa88-097c9eda8a2a.jpg",
                previewImgUrl:
                  "http://img.happymmall.com/a73b6326-1204-4937-aa88-097c9eda8a2a.jpg",
              },
            ],
            k_s: "s1", // skuKeyStr：sku 组合列表（下方 list）中当前类目对应的 key 值，value 值会是从属于当前类目的一个规格值 id
          },
        ],
        list: [
          {
            id: 2259, // skuId，下单时后端需要
            price: 100, // 价格（单位分）
            s1: "001", // 规格类目 k_s 为 s1 的对应规格值 id
            stock_num: 50, // 当前 sku 组合对应的库存
          },
          {
            id: 2259, // skuId，下单时后端需要
            price: 100, // 价格（单位分）
            s1: "002", // 规格类目 k_s 为 s1 的对应规格值 id
            stock_num: 50, // 当前 sku 组合对应的库存
          },
        ],
        price: "100", // 默认价格（单位元）
        stock_num: 100, // 商品总库存
        collection_id: 2261, // 无规格商品 skuId 取 collection_id，否则取所选 sku 组合对应的 id
        none_sku: false, // 是否无规格商品
      },
      goods: {
        // 商品标题
        title: "测试商品",
        // 默认商品 sku 缩略图
        picture:
          "http://img.happymmall.com/570186f3-c0d2-4336-a1b7-3e1aff88f73a.jpg",
      },
    };
  },
  methods: {
    goBack() {
      this.$router.back();
    },
    scrollToView(e) {
      let $type = e.target.getAttribute("data-type");
      console.log($type);
      switch ($type) {
        case "product":
          this.navIndex = 0;
          window.scrollTo(0, 0);
          break;
        case "detail":
          this.navIndex = 1;
          console.log(this.$refs);
          window.scrollTo(0, this.$refs.detailContent.offsetTop - 50);
          break;
        case "recommend":
          this.navIndex = 2;
          window.scrollTo(0, 0);
          break;
      }
    },
    getProductDetail() {
      axios
        .get(`http://www.520gongfu.com:9527/api/product/detail?id=${this.id}`)
        .then((res) => {
          const { data } = res;
          //   console.log(data.data);
          if (data.status == 0) {
            this.productDetail = data.data;
            let subImages = data.data.subImages.split(",");
            let imageHost = data.data.imageHost;
            subImages.forEach((item) => {
              this.sliderImageList.push({
                imgUrl: imageHost + item,
              });
            });
          }
        });
    },
    onBuyClicked() {
      console.log("onBuyClicked");
    },
    onAddCartClicked() {
      console.log("onAddCartClicked");
    },
    addToCar() {
      this.show = true;
    },
  },
  created() {
    this.getProductDetail();
  },
};
</script>
<style lang="scss" scoped>
@import "../../common/style/mixin";
.product-detail {
  width: 100%;

  .detail-nav {
    @include fj;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 88px;
    padding: 0 20px;
    line-height: 88px;
    box-sizing: border-box;
    z-index: 1000;
    color: #252525;
    background: #fff;
    border-bottom: 1px solid #dcdcdc;

    i {
      font-size: 50px;
      color: #000;
    }

    div span {
      padding: 0 20px;
      font-size: 28px;

      &.active {
        color: $red;
      }

      .iconfont {
        padding-right: 8px;
        font-size: 28px;
        color: $red;
      }
    }
  }
  .product-focus {
    margin-top: 88px;

    .swiper-container {
      .swiper_img {
        width: 100%;
        height: 700px;
      }
    }
  }
  .detail-info {
    width: 100%;
    padding: 20px 30px;
    font-size: 30px;
    box-sizing: border-box;

    .detail-info-name {
      font-size: 40px;
      color: #333;
    }

    .detail-info-subtitle {
      padding: 10px 0;
      font-size: 28px;
      color: #999;
    }

    div {
      @include fj;
      height: 70px;
      line-height: 80px;
      padding: 10px 0;
      font-size: 32px;
      color: #999;

      .detail-info-price {
        color: $red;
        font-size: 44px;
      }
    }
  }
  .detail-content {
    width: 100%;

    .detail-gap {
      width: 100%;
      height: 20px;
      background: #eee;
    }

    ul {
      @include fj;
      width: 100%;
      margin: 20px 0;

      li {
        flex: 1;
        padding: 10px 0;
        text-align: center;
        font-size: 30px;
        border-right: 1px solid #999;
        box-sizing: border-box;

        &:last-child {
          border-right: none;
        }
      }
    }
  }
  .add {
    height: 100px;
  }
}
</style>

<style lang="scss">
.p1 {
  width: 100%;
  overflow: hidden;

  p {
    width: 100%;
    font-size: 40px;
    text-align: center;
  }

  img {
    width: 100%;
    height: 100%;
  }
}
</style>